VeEX RXT-6000e, User Manual

Page: 125 / 387

K1 Byte (APS-Linear)
Go back to top Go back to TOC
K1 Byte (APS-Ring)
Used to activate and deactivate the switching between the main and protection paths on a multiplexer section
APS message type conforms to ITU-T G.841/ Bellcore GR.253 Ring Network architectures
Bits 1-4 are the condition
1111 Lockout of protection
1110 Forced switch (span)
1101 Forced switch (ring)
1100 Signal fail (span)
1011 Signal fail (ring)
1010 Signal degrade (protection)
1001 Signal degrade (span)
1000 Signal degrade (ring)
0111 Manual switch (span)
0110 Manual switch (ring)
0101 Wait to restore
0100 Exercise (span)
0011 Exercise (ring)
0010 Reverse request (span)
0001 Reverse request (ring)
0000 No request
Bits 5-8 are the destination node ID
0000 Null channel
0001 to 1110 Channels 1 thru 14
1111 Extra traffic channel
K2 Byte (APS-Linear)
Conforms to ITU-T G.783 and Bellcore GR.253
Used to activate and deactivate the switching between the main and protection paths on a multiplexer section
Used to communicate Alarm Indication Signal (AIS) and Remote Defect Indication (RDI) conditions
Bits 1-4 selects bridged channel used
Bit 5 determines APS architecture
1+1
1:N
Bits 6-8
110 MS-RDI
RXT-6200_RXT6000e_Module_Manual Page 125 of 387